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PVAT appears morphologically similar to BAT. Fat was harvested from SAT (A and B), VAT (C and D), interscapular BAT (E and F), and PVAT (G–J) from the lesser curvature of the aortic arch from ND and HFD fed mice and then fixed in formalin. Tissues were stained with hematoxylin and eosin and visualized at ×25. Images G and H are low magnification images (×6.3) of I and J. Ao, aortic lumen.
